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WCA WBELL ANALYTICAL INC 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> ' Tele 925-798-1620 Fax 925-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 } <br /> Date 04/21/99-04/22/99 Matrix SOIL <br /> f Concentration (ug/kg,ul f W Recovery <br /> Analyte i Sample I Amount RPD f <br /> I (#01961) MS MSD Spiked MS MSD <br /> 11,1-Dichloroethel 0 74 73 100 74 73 1 4 <br /> ITrichloroethene 1 0 92 83 100 92 83 10 3 <br /> EDB I N/A N/A N/A f N/A N/A N/A N/A <br /> IChlorobenzene 0 89 77 100 89 77 1-4 5 f <br /> (Benzene I 0 90 79 I 100 I 90 79 13 0 <br /> ]Toluene I 0 86 77 I 100 I 86 77 11 0 <br /> Rec (MS Sample) / amount Sp.ked x _00 <br /> RP7 "5 NSA / 'IS - MEN A x -00 <br /> 4 <br /> 1 <br />